AntSDR E200 – Gigabit Ethernet connected SDR with Xilinx Zynq SoC FPGA supports 70 MHz – 6 GHz range (Crowdfunding)

We’ve just written about the uSDR M.2 SDR module on Crowd Supply, but it turns out the crowdfunding platform is hosting another SDR (Software-Defined Radio) project with the AntSDR E200 board equipped with an AMD Embedded Zynq 7020 SoC FPGA and an Analog Devices AD9363 or AD9361 RF chipset, and providing Gigabit Ethernet connectivity to the host.

The board can operate in the 70 MHz – 6 GHz range with the AD9361 chipset, and the 325 MHz – 3.8 GHz range with the AD9363, supports 2×2 MIMO with two SMA antenna connectors and two U.FL connectors, and also features expansion interfaces for GPIOs.

AntSDR E200 SDR board

AntSDR E200 specifications:

  • SoC FPGA – AMD Embedded/Xilinx Zynq 7020 dual-core Arm Cortex-A9 processor and FPGA with 85K logic cells, 4.9Mb Block RAM, 220 DSP slices
  • System Memory – 512MB DDR3
  • Storage – 256 Mbit QSPI flash for firmware; microSD card slot (bottom side)
  • RF
    • Chipset – Analog Devices AD9363 or AD9361
    • Channels – 2 × 2 MIMO
    • Sample Rate: 200 KHz – 61.44 MHz
    • Tuning Range – AD9363: 325 MHz – 3.8 GHz, AD9361: 70 MHz – 6 GHz
    • RF bandwidth – AD9363: 200 KHz – 20 MHz, AD9361: 200 KHz – 56 MHz
    • RF Transmit Power – Up to 10 dBm
    • Antenna connectors – 2 SMA and 2 U.FL connectors
  • Networking – Gigabit Ethernet RJ45 port
  • USB – USB Type-C port for serial access and power
  • Expansion – 8x PL GPIO interfaces
  • Clock System – 40M VCXO and PPS/10M Reference clock input
  • Debugging – FPGA JTAG connector for external JTAG programmer/debugger
Zynq 7020 SoC FPGA SDR AD9361 RFIC
Block diagram

On the software side, the AntSDR E200 board relies on Analog Devices’ LibIIO library for interfacing with Linux IIO (Industrial Input/Output) devices and the USRP Hardware Driver (UHD) is an open-source, cross-platform driver which MicroPhase Technology – the company being the AntSDR E200 – ported to the SDR board. They’ve also written two different firmware, the first one to make the board compatible with the ADALM-PLUTO evaluation kit and the other with basic UHD components, enabling AntSDR to communicate with the host. You’ll find the source code and PDF schematics on GitHub, as well as online documentation on Read the Docs.

So what exactly can you do with the AnSDR E200 board? Potential applications include Ham radio, air traffic monitoring, public safety such as monitoring police and emergency services communications, remote sensing (e.g. detect and analyze signals from weather radar systems), satellite communications, and radio astronomy. It’s also possible to experiment with WiFi using the OpenWiFi open-source project, or create your own GSM/LTE cellular base station with OsmoBTS GSM base station implementation or rsRAN_4G open-source SDR 4G software suite from (SRS).

The AntSDR E200 board has already surpassed its $20,000 funding goal on Crowd Supply with close to $100,000 raised so far. Rewards start at $299 for the AD9363 model and $499 for the AD9361 without antennas, the case, and other accessories which can be added as options. Shipping adds $8 to the US, and $18 to the rest of the world, and rewards are expected to start shipping before the end of September, except for the case which will only be available by the end of October.

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7 Comments
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Willy
7 months ago

This covers an impressively large spectrum! Even the rx bandwidth seems to be quickly limited by the GigE. At 56 Msps you’re limited to 16 bits per sample at GigE speeds, that doesn’t leave much margin for for the protocol etc!

Bert
Bert
7 months ago

The AD9361 is 12-bit and I plus Q channel are required for processing SDR data on a host computer. A dedicated back to back gigabit Ethernet connection fully saturated allowing for all the packet overheads would be able to transfer in theory ~94.93%*** of that (closer to 111.9 MiB/second in the real world). So in reality you are talking about a maximum sample rate of ~39,111,884 samples per second that can be transferred off the board (~39MHz of bandwidth for 1 channel, half that for 2, and since Gigabit is full duplex less that half, due to ACK packets, if using… Read more »

RWood
RWood
7 months ago

I am an AntSDR backer (the 6GHz version… if its half as good as an Ettus B200 series device it will be a bargain), so obviously I’m biased towards believing that the device will perform as advertised… take the following with a grain of salt: The dual API method they’ve chosen may help ease software compatibility. I don’t know anything about libiio, but there doesn’t seem to be any shortage of SDR tools that use the UHD interface. Out of the box it should be usable with many tools (I’ll be happy with GQRX, GnuRadio, and a few simple tools… Read more »

Alan
Alan
7 months ago

Potential applications may include some Ham radio, but there’s a plethora of Ham bands below the 70MHz cutoff of the AD9361. Is that a case of misleading advertising?

David Willmore
David Willmore
7 months ago

How so? “It doesn’t do everything!” doesn’t mean the same as “It doesn’t do anything.” There are plenty of bands over 70MHz.

Anonymous
Anonymous
7 months ago

The Ubiquiti LTU Lite is based on an Altera Cyclone FPGA and an AD9361 (relabelled as AirFiber). The unit is essentially a complete MIMO 5GHz SDR with Gigabit Ethernet for $100. Might be worth reverse engineering. Also hardware mods are necessary for it to operate outside of the 5GHz band.

Internal Photos here
https://fccid.io/SWX-LTUL/Internal-Photos/Internal-Photos-4380816

The component layout around the AD9361 matches the ballout in the datasheet. And the reverse side of the PCB where the vias are, underneath the AD9361 matches the pins that carry the I/Q sampled data.

Eric AG5XV
Eric AG5XV
5 months ago

Interesting…but I think the layout and package of the AD9361 is shared by the lower tiered parts in that series, the AD9362 and AD9363. I would expect this relatively low cost product is not the 61 but a lesser version.similar the Pluto which used one of those parts and was initially introduced at a $99 price point.

Khadas VIM4 SBC